Hack in AWS SNS

.env.sample

@@ -0,0 +1,4 @@
+export AWS_REGION=
+export AWS_ACCESS_KEY_ID=
+export AWS_SECRET_ACCESS_KEY=
+export AWS_TOPIC=

.gitignore

@@ -1,2 +1,3 @@
 db/*.db
 config/app.yml
+.env

.travis.yml

@@ -7,3 +7,5 @@ before_script:
   - RACK_ENV=test bundle exec rake db:migrate
 script:
   - RACK_ENV=test bundle exec rspec
+env:
+  - AWS_REGION=us-east-1

Dockerfile

@@ -5,7 +5,7 @@ RUN export LANG=en_US.UTF-8 && \
     export LC_ALL=en_US.UTF-8
 
 RUN apk update \
-    && apk add build-base ruby-dev sqlite-dev \
+    && apk add build-base ruby-dev sqlite-dev ca-certificates \
     && apk add ruby ruby-bundler ruby-io-console \
     && rm -rf /var/cache/apk*
 

Gemfile

@@ -11,6 +11,9 @@ gem 'validate_url'
 
 gem 'slim'
 
+gem 'aws-sdk', '~> 2'
+gem 'dotenv'
+
 gem 'bigdecimal'
 # alpine linux does not include a method to determine the timezone
 gem 'tzinfo-data'

Gemfile.lock

@@ -16,6 +16,12 @@ GEM
       tzinfo (~> 1.1)
     addressable (2.3.8)
     arel (6.0.2)
+    aws-sdk (2.2.3)
+      aws-sdk-resources (= 2.2.3)
+    aws-sdk-core (2.2.3)
+      jmespath (~> 1.0)
+    aws-sdk-resources (2.2.3)
+      aws-sdk-core (= 2.2.3)
     backports (3.6.6)
     bigdecimal (1.2.7)
     builder (3.2.2)
@@ -33,11 +39,13 @@ GEM
     coderay (1.1.0)
     database_cleaner (1.4.1)
     diff-lcs (1.2.5)
+    dotenv (2.1.0)
     factory_girl (4.5.0)
       activesupport (>= 3.0.0)
     ffi (1.9.10)
     hitimes (1.2.2)
     i18n (0.7.0)
+    jmespath (1.1.3)
     json (1.8.3)
     launchy (2.4.3)
       addressable (~> 2.3)
@@ -123,9 +131,11 @@ PLATFORMS
 
 DEPENDENCIES
   activerecord
+  aws-sdk (~> 2)
   bigdecimal
   capybara-webkit
   database_cleaner
+  dotenv
   factory_girl
   launchy
   pry

app.rb

@@ -36,6 +36,7 @@ get '/send' do
   @link = Link.find(params[:id])
 
   @link.mark_sent
+  SmsNotifier.notify(@link)
 
   flash[:success] = 'Link has been marked as sent'
   redirect '/manage'

config/init.rb

@@ -4,6 +4,7 @@ require 'bundler/setup'
 require 'sinatra/config_file'
 require 'sinatra/json'
 Bundler.require
+Dotenv.load
 
 set :root, File.dirname('..')
 
@@ -11,6 +12,7 @@ require_relative 'environments'
 
 require_relative '../models/link'
 require_relative '../helpers/application_helper'
+require_relative '../lib/sms_notifier'
 
 config_file 'config/app.yml'
 

lib/sms_notifier.rb

@@ -0,0 +1,12 @@
+class SmsNotifier
+  cattr_reader :sns, instance_accessor: false do
+		Aws::SNS::Client.new
+  end
+
+  def self.notify(link)
+    sns.publish({
+      topic_arn: ENV['AWS_TOPIC'],
+      message: "#{link.title}: #{link.url}",
+    })
+  end
+end

spec/features/admin/send_link_spec.rb

@@ -10,7 +10,10 @@ describe 'Admin Send Links' do
 
   context 'when logged in' do
     let!(:links) { 10.times.collect { create(:link) } }
-    before(:each) { basic_auth 'admin', 'password' }
+    before(:each) do
+      basic_auth 'admin', 'password'
+      allow(SmsNotifier).to receive(:notify)
+    end
 
     it 'should allow sending of a link' do
       visit '/manage'
@@ -30,5 +33,11 @@ describe 'Admin Send Links' do
 
       expect(page).to_not have_content(link.title)
     end
+
+    it 'attempts to send an SMS message' do
+      visit '/manage'
+      first('a', text: 'Send').click
+      expect(SmsNotifier).to have_received(:notify)
+    end
   end
 end